The medicinal qualities of Bugleweed are in the leaves and flowers. This plant has diuretic,peripheral vasoconstrictor, astringent, nervine, and anti-tussive properties. Today, Bugleweed is used for treating mild hyperthyroidism (i.e. Grave’s disease) symptoms such as rapid pulse, weight loss, sensitivity to heat, excessive sweating, fatigue, enlarged thyroid and bulging eyes. It can also be used for nervousness, insomnia, and for treating the symptoms of premenstrual syndrome (PMS). This herb has also been used to help improve circulation.